compstui: Exclude unused headers

[Andrew Talbot]

Changelog:
    compstui: Exclude unused headers.

diff -urN a/dlls/compstui/compstui_main.c b/dlls/compstui/compstui_main.c
--- a/dlls/compstui/compstui_main.c	2006-09-29 15:48:42.000000000 +0100
+++ b/dlls/compstui/compstui_main.c	2007-04-28 13:10:09.000000000 +0100
@@ -26,9 +26,6 @@
 #include "windef.h"
 #include "winbase.h"
 #include "winuser.h"
-#include "winreg.h"
-#include "winver.h"
-#include "winnls.h"
 #include "ddk/compstui.h"
 
 #include "wine/unicode.h"